iwlwifi: remove trailing space in messages

Includes minor improvements in debugging messages in iwl-4965.c,
function iwl4965_is_temp_calib_needed().

Signed-off-by: Frans Pop <elendil@planet.nl>
Cc: Zhu Yi <yi.zhu@intel.com>
Cc: Reinette Chatre <reinette.chatre@intel.com>
Cc: Intel Linux Wireless <ilw@linux.intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index 605aca4..9e411dc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -341,7 +341,7 @@
 	struct ieee80211_supported_band *sband;
 	int i;
 
-	IWL_DEBUG_INFO(priv, "enter \n");
+	IWL_DEBUG_INFO(priv, "enter\n");
 	if (sta_id == priv->hw_params.bcast_sta_id)
 		goto out;